CN106191416A - A kind of steel pipe senses measuring method and the device in temperature field in heating process - Google Patents
A kind of steel pipe senses measuring method and the device in temperature field in heating process Download PDFInfo
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- CN106191416A CN106191416A CN201610546593.0A CN201610546593A CN106191416A CN 106191416 A CN106191416 A CN 106191416A CN 201610546593 A CN201610546593 A CN 201610546593A CN 106191416 A CN106191416 A CN 106191416A
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- steel pipe
- thermocouple
- temperature
- heating process
- steel
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides the measurement apparatus in temperature field in a kind of steel pipe sensing heating process, including successively by outside circumference to the load coil of interior setting, thermal insulation layer, refractory layer and the temperature detection sensor that is arranged in load coil, the internal diameter of refractory layer is more than outer diameter of steel pipes, load coil is used for heating steel pipe, temperature detection sensor is used for detecting steel tube surface temperature in steel pipe heating process, also include thermocouple, thermocouple is fixedly installed in steel pipe inner wall along steel pipe circumference, steel duct temperature in thermocouple detection steel pipe heating process.In a kind of steel pipe of present invention sensing heating process, the measurement apparatus in temperature field uses the mode being fixedly installed thermocouple in steel pipe inner wall, by steel tube surface temperature in temperature detection sensor detection steel pipe heating process, by the change in steel duct temperature field in thermocouple detection steel pipe sensing heating process.
Description
Technical field
The present invention relates to temperature detection field, particularly relate to steel pipe and add, in sensing, the temperature detection hankered.
Background technology
The electromagnetic induction heater utilizing electric current of intermediate frequency carries out sensing heating to seamless steel pipe, in developed countries such as America and Europes
It is a kind of more ripe Technology, and has obtained extensively at aspects such as steel pipe manufacture, expanding, bend pipe, compensation heating
Application.Relative to general gas-fired heater, resistance furnace, induction heating mode this similar " body mode of heating " has heating
Time is short, and homogeneous heating technique adapts to flexible strong, from the serialization of heat treatment process, automatization and heat-treated steel pipe surface matter
Amount good and without severe oxidation iron sheet from the point of view of, use the mode of Frequency Induction Heating that steel pipe is carried out continuous heat to be
Best selection.It is considered as the steel pipe mode of heating of great development prospect, gathers around and have broad application prospects, and meet enterprise pair
Personalization of product demand for heat.
The research of sensing heating, is actually analyzed the thermal source needed for research, temperature field to vortex field and temperature field
It is that the vortex power produced by electromagnetic induction process provides.In induction heating apparatus, guide the induction coil of exciting current
Design and parameter be whole heater design core place, only by sensing heating vortex field recognize accurately,
Could to the variations in temperature of steel pipe in the design of induction coil and parameter and heating process and distribution, heat time heating time, heat flow and
The thermal efficiency etc. have clear and definite understanding.Accordingly, it would be desirable to know the change in steel duct temperature field in sensing heating process accurately.
In prior art, generally use steel tube surface temperature in non-contact measurement device for measuring detection sensing heating process, it is impossible to
Enough obtain the change in steel duct temperature field.Cannot accurately know that steel duct variations in temperature will affect adding further of steel pipe
Work.
Therefore, defect of the prior art is, steel tube surface in sensing heating process can only be detected by measurement apparatus
Temperature, it is impossible to enough detect steel duct temperature field change.
Summary of the invention
The technical problem to be solved in the present invention is to provide the measurement apparatus in temperature field in a kind of steel pipe sensing heating process, adopts
It is fixedly installed the mode of multiple thermocouple in being used in steel pipe inner wall, uses steel in temperature detection sensor detection steel pipe heating process
Tube-surface temperature, it is also possible to by the change in steel duct temperature field in multiple thermocouples detection steel pipe sensing heating process.
For solving above-mentioned technical problem, present invention provide the technical scheme that
First aspect, the present invention provides the measuring method in temperature field in a kind of steel pipe sensing heating process,
Temperature detection sensor is fixed in load coil, thermocouple is fixedly installed in steel pipe inner wall, logical
Cross described temperature detection sensor and detect the surface temperature in described steel pipe heating process, detect described steel by described thermocouple
Internal temperature in pipe heating process.
Second aspect, the present invention provides the measurement apparatus in temperature field in a kind of steel pipe sensing heating process, including successively by
To the load coil of interior setting, thermal insulation layer, refractory layer and the temperature inspection being arranged in described load coil outside circumference
Surveying sensor, the internal diameter of described refractory layer is more than outer diameter of steel pipes, and described load coil is used for heating described steel pipe, described temperature
Degree detection sensor is used for detecting steel tube surface temperature in described steel pipe heating process, it is characterised in that also include multiple thermoelectricity
Even, multiple described thermocouples are fixedly installed in described steel pipe inner wall, and multiple described thermocouples are used for detecting the heating of described steel pipe
During steel duct temperature.
Present invention provide the technical scheme that and by outside circumference, load coil, thermal insulation layer, refractory layer are set to interior successively
With the temperature detection sensor being arranged in load coil, the internal diameter of refractory layer is more than outer diameter of steel pipes, load coil
Being used for heating steel pipe, temperature detection sensor is used for detecting steel tube surface temperature in steel pipe heating process, and steel pipe of the present invention senses
In heating process, the measurement apparatus in temperature field also includes that multiple thermocouple, multiple thermocouples are fixedly installed on steel pipe along steel pipe circumference
In inwall, steel duct temperature in multiple thermocouples detection steel pipe heating process.At load coil, steel pipe is heated
Time, can detect that steel tube surface temperature in heating process by the temperature detection sensor arranged in load coil, will be many
Individual thermocouple is arranged in steel pipe inner wall, steel duct temperature in steel pipe heating process can be detected by multiple thermocouples.
In steel pipe sensing heating process, so i.e. can obtain the surface temperature of steel pipe, it is also possible to obtain the internal temperature of steel pipe.
The measurement apparatus in temperature field in steel pipe of the present invention sensing heating process, employing is fixedly installed multiple in steel pipe inner wall
The mode of thermocouple, steel tube surface temperature in temperature detection sensor detection steel pipe heating process, it is also possible to by multiple heat
The change in steel duct temperature field in galvanic couple detection steel pipe sensing heating process.
Further, multiple described thermocouples are divided into organizes thermocouple more, and described many group thermocouples are along described steel pipe central shaft
Direction arrange, often group thermocouple is arranged in described steel pipe inner wall along described steel pipe circumference every 90 °, and described often organizes thermoelectricity
Each thermocouple setting space in idol is identical, and described often group thermocouple is along described steel pipe length spaced set.By multiple heat
Galvanic couple is uniformly arranged in steel pipe inner wall, and the steel duct temperature that detects can be made more accurate, quantity that thermocouple is arranged and
Position can directly affect the accuracy of temperature value detection, therefore by thermocouple along the longitudinal direction (steel pipe inner wall thickness) of steel pipe and horizontal
(steel pipe inner wall length) is uniformly arranged.
Further, beat multiple hole in described steel pipe inner wall, be used for fixing multiple described thermocouple.Thermocouple can pass through
Various modes are fixed in steel pipe inner wall, and the present invention uses the mode of punching to fix thermocouple, simple to operate, it is easy to accomplish, and
Do not affect the use of steel pipe.
Further, it is filled with insulant in multiple described holes.Thermocouple directly measures temperature, then by temperature signal
It is converted into the signal of telecommunication, when steel pipe is heated, if thermocouple contacts with hole wall, then can produce measurement error, therefore be
Avoid this error, and for certain electric insulating effect, therefore fill insulant in the hole beaten.
Further, described thermocouple includes detachable thermocouple, flame-proof type thermocouple, armoured thermocouple or pressing spring
Fixed thermocouple.Thermocouple can be divided into following several according to the difference of performance, the detachable thermocouple that can conveniently dismantle；Tool
There is the flame-proof type thermocouple of explosion insulation performance；Install the armoured thermocouple of layer of metal protection at thermocouple outermost additional, add metal and protect
Protect the effectiveness layer avoiding inside to be damaged when transport and installation；The fixed thermoelectricity of pressing spring that the most useful pressing spring is fixing
Even.May select different thermocouples according to different demands, the present invention can also use above-mentioned different types of thermocouple.
Further, also including showing instrument, described display instrument is connected with described thermocouple, detects for showing
Temperature.Thermocouple utilizes thermoelectrical potential to measure temperature, by measurement to temperature show by matching used display instrument, just
Just steel pipe processing staff checks.
Further, described temperature detection sensor includes infrared temperature-test sensor, current vortex temperature transducer or ultrasonic
Temperature transducer.By the surface temperature of steel pipe in temperature detection sensor detection heating process, therefore temperature detection sensor is not
Being limited to what type of sensor, infrared temperature-test sensor is to use infrared detection temperature, and current vortex temperature transducer is
Using eddy current detection temperature, ultrasonic temperature measurement sensor is to use ultrasound detection temperature, and different sensors detects the former of temperature
Reason difference.
Further, the material of described thermal insulation layer is nanometer micropore heat-barrier material.Nanometer micropore heat-barrier material mainly by
Nano level silicon dioxide is made, and this material can make air cannot transmit heat in space.It is charged with nanometer again
Level infrared light screening agent, just can more efficiently stop heat radiation.Owing to the heat conductivity of nanometer micropore heat-barrier material is the lowest, every
Hot property also more several than the heat-barrier material of traditional fiber-like times.It is also the high temperature insulating material that effect of heat insulation is best so far
Material, is widely used for the field of industrial productions such as the outer cover packaging of industrial furnace, heater for rolling steel, fish torpedo ladle.
Further, the material of described refractory layer is inorganic compound.Refractory layer material can be divided into organic material and nothing
Machine compound-material, wherein organic material is mostly with organosilicon as carrier, and its maximum temperature the most not can exceed that 400 degrees Celsius,
Exceed this temperature and carbonization or softening will occur, and inorganic compound can bear the high temperature of at least 1000 degrees Celsius, it is seen that nothing
The temperature that machine compound can bear is higher, and refractory layer material the most of the present invention selects inorganic compound.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described.
Fig. 1 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that first embodiment of the invention is provided
Overall generalized section；
Fig. 2 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that second embodiment of the invention is provided
Thermocouple location schematic diagram；
Fig. 3 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that second embodiment of the invention is provided
Thermocouple location generalized section.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of technical solution of the present invention is described in detail.Following example are only used for
Technical scheme is clearly described, is therefore intended only as example, and the protection of the present invention can not be limited with this
Scope.
Embodiment one
Fig. 1 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that first embodiment of the invention is provided
Overall generalized section.As it is shown in figure 1, a kind of steel pipe according to a first embodiment of the present invention senses temperature field in heating process
Measurement apparatus includes:
Successively by outside circumference to the load coil 1 of interior setting, thermal insulation layer 2, refractory layer 3 and be arranged on sensing heater wire
Temperature detection sensor 5 in circle 1, the internal diameter of refractory layer 3 is more than steel pipe 4 external diameter, and load coil 1 is used for heating steel pipe 4,
Temperature detection sensor 5 is used for detecting steel pipe 4 surface temperature in steel pipe 4 heating process, also includes multiple thermocouple 6, Duo Gere
Galvanic couple 6 is fixedly installed in steel pipe inner wall 41, and multiple thermocouples 6 are used for detecting steel pipe 4 internal temperature in steel pipe 4 heating process.
With steel pipe 4 external diameter as 80mm, load coil 1 internal diameter is 150mm, and thermal insulation layer 2 internal diameter is 130mm, refractory layer 3
Internal diameter is 110mm, as a example by steel pipe inner wall 41 thickness is δ=12mm, illustrates the temperature detection in steel pipe 4 heating process.
Load coil 1, thermal insulation layer 2, refractory layer 3 set gradually from outside to inside, and temperature sensor 5 is arranged on sensing
In heating coil 1, the internal diameter of refractory layer 3 is more than steel pipe 4 external diameter, and load coil 1 is used for heating steel pipe 4, and temperature detection passes
Sensor 5 is used for detecting steel pipe 4 surface temperature in steel pipe 4 heating process, the measurement apparatus in temperature field in steel pipe sensing heating process
Also including that multiple thermocouple 6, multiple thermocouples 6 are fixedly installed in steel pipe inner wall 41, multiple thermocouples 6 detect steel pipe 4 and heat
During steel pipe 4 internal temperature.When steel pipe 4 is heated by load coil 1, by arranging in load coil 1
Temperature detection sensor 5 can detect that steel pipe 4 surface temperature in heating process, thermocouple 6 is arranged in steel pipe inner wall 41,
Steel pipe 4 internal temperature in steel pipe 4 heating process can be detected by thermocouple 6.So in steel pipe sensing heating process i.e.
The surface temperature of steel pipe 4 can be obtained, it is also possible to obtain the internal temperature of steel pipe 4.
In steel pipe of the present invention sensing heating process, the measurement apparatus in temperature field, uses and is fixedly installed thermoelectricity in steel pipe 4 wall
The mode of even 6, steel pipe 4 surface temperature in temperature detection sensor 5 detects steel pipe 4 heating process, it is also possible to by thermocouple 6
Detection steel pipe 4 senses the change of steel pipe 4 internal temperature field in heating process.
Specifically, beat multiple hole in steel pipe inner wall, be used for fixing multiple thermocouple 6.Thermocouple 6 can be by various modes
Being fixed in the wall of steel pipe 4, the present invention uses the mode of punching to fix thermocouple 6, simple to operate, it is easy to accomplish, and do not affect
The use of steel pipe 4.
Specifically, it is filled with insulant in multiple holes.Thermocouple 6 directly measures temperature, is then changed by temperature signal
Become the signal of telecommunication, when steel pipe is heated, if thermocouple 6 contacts with hole wall, then can produce measurement error, therefore to keep away
Exempt from this error, and for certain electric insulating effect, therefore fill insulant in the hole beaten.
Specifically, thermocouple 6 includes that detachable thermocouple 6, flame-proof type thermocouple 6, armoured thermocouple 6 or pressing spring are solid
Fixed pattern thermocouple 6.Thermocouple 6 can be divided into following several according to the difference of performance, the detachable thermocouple 6 that can conveniently dismantle；
There is the flame-proof type thermocouple 6 of explosion insulation performance；Install the armoured thermocouple 6 of layer of metal protection at thermocouple 6 outermost additional, add gold
Belong to the effectiveness layer being protected against inside to be damaged when transport and installation；The pressing spring that the most useful pressing spring is fixed is fixed
Thermocouple 6.May select different thermocouples 6 according to different demands, the present invention can also use above-mentioned different types of heat
Galvanic couple 6.
Specifically, also include showing that instrument, display instrument are connected with thermocouple 6, be used for showing the temperature detected.Thermoelectricity
Even 6 utilize thermoelectrical potential to measure temperature, by measurement to temperature shown by matching used display instrument, facilitate steel pipe 4
Processing staff checks.
The ultimate principle of thermocouple 6 thermometric is the material conductor composition closed-loop path of two kinds of different components, when two ends exist
During thermograde, loop just has electric current and passes through, now between two ends, exist for electromotive force thermo-electromotive force, here it is so-called
Seebeck effect (Seebeck effect).The homogeneous conductor of two kinds of different components is thermode, and one end that temperature is higher is
Working end, the relatively low one end of temperature is free end, and free end is generally under certain stationary temperature.According to thermo-electromotive force and temperature
The functional relationship of degree, makes thermocouple indexing table；Phasing meter be free end temperature when 0 DEG C under conditions of obtain, different
Thermocouple 6 has different phasing meter.When accessing the third metal material in Thermocouple Circuit, if two contacts of this material
Temperature identical, thermoelectrical potential produced by thermocouple 6 will keep constant, and not accessed in loop by the third metal is affected.
Therefore, when thermocouple 6 thermometric, accessible measuring instruments, after recording thermo-electromotive force, i.e. may know that the temperature of measured medium.
Specifically, temperature detection sensor 5 includes that infrared temperature-test sensor, current vortex temperature transducer or ultrasonic temperature measurement pass
Sensor.Detecting the surface temperature of steel pipe 4 in heating process with temperature detection sensor 5, therefore temperature detection sensor 5 is not limited to
Being what type of sensor, infrared temperature-test sensor is to use infrared detection temperature, and current vortex temperature transducer is to use
Eddy current detection temperature, ultrasonic temperature measurement sensor is to use ultrasound detection temperature, and different sensors, the principle of detection temperature is not
With.
Specifically, the material of thermal insulation layer 2 is nanometer micropore heat-barrier material.Thermal insulation layer 2 material has a lot, and nanometer micropore is heat insulation
Material is mainly made up of nano level silicon dioxide, and this material can make air cannot transmit heat in space.The most past
Wherein add nanoscale infrared light screening agent, just can more efficiently stop heat radiation.Heat conduction due to nanometer micropore heat-barrier material
Coefficient is the lowest, heat-proof quality also more several than the heat-barrier material of traditional fiber-like times.It is also that effect of heat insulation is the most so far
Good high temperature insulating material, is widely used for the field of industrial productions such as the outer cover packaging of industrial furnace, heater for rolling steel, fish torpedo ladle.
As seen from Figure 1, the thickness of thermal insulation layer 2 is 20mm, experiment proves that, the thickness of thermal insulation layer 2 arranges the thinnest, rises
Less than heat insulation effect, thickness arranges and the thickest can affect the load coil 1 heating to steel pipe 4, therefore experiment proves that every
When the thickness of thermosphere 2 is 20mm, heat insulation and preservation effect is optimal.
Specifically, the material of refractory layer 3 is inorganic compound.Refractory layer 3 material can be divided into organic material and inorganization
Laminate material, wherein organic material is mostly with organosilicon as carrier, and its maximum temperature the most not can exceed that 400 degrees Celsius, exceedes
This temperature will occur carbonization or softening, and inorganic compound can bear the high temperature of at least 1000 degrees Celsius, it is seen that inorganization
The temperature that compound can bear is higher, and refractory layer 3 material the most of the present invention selects inorganic compound.As seen from Figure 1, refractory layer
The thickness of 3 is 20mm, and refractory layer 3 is arranged on below thermal insulation layer 2, reduces heat loss.
Embodiment two
Fig. 2 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that second embodiment of the invention is provided
Thermocouple location schematic diagram.Owing to steel pipe inner wall 41 to be carried out punching, multiple thermocouple 6 is set, therefore can be to the temperature of steel pipe 4
Field damages, and the accuracy of data measured also can be affected, therefore to make the temperature accuracy recorded more preferable, by multiple
Thermocouple (the first thermocouple 61, the second thermocouple 62, three thermocouple 63 and the 4th thermocouple 64) along steel pipe 4 length, etc.
Spacing is arranged in steel pipe inner wall 41.As in figure 2 it is shown, according to the length of steel pipe 4, by multiple thermocouples 6 according to A, B, C 3 etc.
Distance is arranged in steel pipe inner wall 41.
Fig. 3 shows the measurement apparatus in temperature field in the steel pipe sensing heating process that second embodiment of the invention is provided
Thermocouple location generalized section.First thermocouple 61, the second thermocouple 62, three thermocouple 63 and the 4th thermocouple 64 are along steel
Pipe 4 circumference four direction is set in qually spaced in steel pipe 41 wall according to the thickness of steel pipe inner wall 41.As it can be seen, along steel pipe 4 circle
Week arranges a thermocouple 6 every 45 degree.If the thickness of steel pipe inner wall 41 is δ mm, it is 0mm at the inside edge of definition steel pipe 4
Place, be δ mm at steel pipe 4 outer edge, be additionally respectively provided with between 0mm to δ mm at 1/3 δ mm with 2/3 δ mm at, according to this four
Individual, respectively by the first thermocouple 61, the second thermocouple 62, three thermocouple 63 and the 4th thermocouple 64 are along steel pipe 4 circumference four
Individual direction is arranged.Arrange at 0mm to arrange at the first thermocouple 61,1/3 δ mm and the 3rd heat is set at the second thermocouple 62,2/3 δ mm
Galvanic couple 63, arranges the 4th thermocouple 64 at δ mm.Owing in the present embodiment, the thickness of steel pipe inner wall 41 is 12mm, a therefore basis
41 points of thickness of steel pipe inner wall are equidistantly divided into four points and carry out burying underground of thermocouple 6, actual can be according to steel pipe inner wall 41 thickness
Change the quantity of thermocouple 6 is increased or decreased, to increase the accuracy of detection steel pipe 4 internal temperature.
According to the thickness of steel pipe inner wall 41, to the first thermocouple 61, the second thermocouple 62, three thermocouple 63 and the 4th heat
Galvanic couple 64 is buried underground, the first thermocouple 61, and the second thermocouple 62, three thermocouple 63 and the 4th thermocouple 64 can not be at steel pipes
On the same cross section of 4, in conjunction with length and the thickness of steel pipe inner wall 41 of steel pipe 4, uniformly bury multiple thermocouple 6 underground.
Multiple thermocouples 6 are uniformly arranged in steel pipe inner wall 41, steel pipe 4 internal temperature detected can be made more accurate
Really, thermocouple 6 is arranged quantity and position can directly affect the accuracy that temperature value detects, therefore by thermocouple 6 along steel pipe 4
Longitudinally (steel pipe 4 wall thickness) and horizontal (steel pipe 4 wall length) is uniformly arranged, and the temperature that measurement can be made to arrive is more accurate.
To sum up, steel pipe of the present invention senses measuring method and the device in temperature field in heating process, right at load coil 1
When steel pipe 4 heats, can detect that steel in heating process by the temperature detection sensor 5 arranged in load coil 1
Multiple thermocouples 6 are arranged in steel pipe inner wall 41 by pipe 4 surface temperature, can detect that steel pipe 4 adds by multiple thermocouples 6
Steel pipe 4 internal temperature in thermal process.So sense at steel pipe 4 and heating process i.e. can obtain the surface temperature of steel pipe 4, it is possible to
To obtain the internal temperature of steel pipe 4, and by multiple thermocouple 6 being uniformly arranged in steel pipe inner wall 41, can make to detect
Temperature is more accurate.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme, it all should be contained in the middle of the claim of the present invention and the scope of description.
Claims (10)
1. the measuring method in temperature field in a steel pipe sensing heating process, it is characterised in that temperature detection sensor is fixed
In load coil, thermocouple is fixedly installed in steel pipe inner wall, described by the detection of described temperature detection sensor
Surface temperature in steel pipe heating process, detects the internal temperature in described steel pipe heating process by described thermocouple.
2. the measurement apparatus in temperature field in steel pipe sensing heating process, including being added by the sensing of extremely interior setting outside circumference successively
Heat coil, thermal insulation layer, refractory layer and the temperature detection sensor being arranged in described load coil, described refractory layer interior
Footpath is more than outer diameter of steel pipes, and described load coil is used for heating described steel pipe, and described temperature detection sensor is used for detecting institute
Stating steel tube surface temperature in steel pipe heating process, it is characterised in that also include multiple thermocouple, multiple described thermocouples are fixing to be set
Putting in described steel pipe inner wall, multiple described thermocouples are used for detecting steel duct temperature in described steel pipe heating process.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that multiple described
Thermocouple is divided into organizes thermocouple more, and described many group thermocouples are arranged along the direction of described steel pipe central shaft, and often group thermocouple is along institute
State steel pipe circumference to be arranged in described steel pipe inner wall every 90 °, and each thermocouple setting space in described often group thermocouple
Identical, described often group thermocouple is along described steel pipe length spaced set.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that described steel pipe
Beat multiple hole in inwall, be used for fixing multiple described thermocouple.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 4, it is characterised in that multiple described
Insulant it is filled with in hole.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that described thermoelectricity
Occasionally include detachable thermocouple, flame-proof type thermocouple, armoured thermocouple or the fixed thermocouple of pressing spring.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that also include showing
Show that instrument, described display instrument are connected with described thermocouple, be used for showing the temperature detected.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that described temperature
Detection sensor includes infrared temperature-test sensor, current vortex temperature transducer or ultrasonic temperature measurement sensor.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that described heat insulation
The material of layer is nanometer micropore heat-barrier material.
The measurement apparatus in temperature field in steel pipe sensing heating process the most according to claim 2, it is characterised in that described resistance to
The material of thermosphere is inorganic compound.
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| CN201610546593.0A CN106191416A (en) | 2016-07-11 | 2016-07-11 | A kind of steel pipe senses measuring method and the device in temperature field in heating process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110673671A (en) * | 2019-11-18 | 2020-01-10 | 大冶屹丰机械制造有限公司 | Intermediate frequency forging heating temperature management system |
| CN111442852A (en) * | 2020-04-24 | 2020-07-24 | 云南中烟工业有限责任公司 | Device and method for detecting surface temperature of heating element in cylindrical cavity |
| CN113016234A (en) * | 2018-11-12 | 2021-06-22 | 罗伯特·博世有限公司 | Inductor and device for the inductive heating of a component and method therefor |
| CN115791865A (en) * | 2022-12-25 | 2023-03-14 | 北京工业大学 | Ultra-high temperature loading device for fatigue test of weak-conductivity composite material heat engine |
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| CN111442852A (en) * | 2020-04-24 | 2020-07-24 | 云南中烟工业有限责任公司 | Device and method for detecting surface temperature of heating element in cylindrical cavity |
| CN115791865A (en) * | 2022-12-25 | 2023-03-14 | 北京工业大学 | Ultra-high temperature loading device for fatigue test of weak-conductivity composite material heat engine |
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